TDA18271HD NXP Semiconductors, TDA18271HD Datasheet - Page 28

• Manufacturer Part Number: TDA18271HD
• Description: Silicon Tuner IC
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA18271HD_3
Product data sheet
Fig 10. Flowchart TDA18271CalcRFFilterCurve
Variable RF_max is used for frequency f
MS
f
f
f
f
f
f
f
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
Wait 200 ms for die temperature stabilization
PowerScan Initialization
Call TDA18271PowerScanInit
f
RF_Band 0 filters calibration
Call TDA18271RFTrackingFiltersInit
f
RF_Band 1 filters calibration
Call TDA18271RFTrackingFiltersInit
f
RF_Band 2 filters calibration
Call TDA18271RFTrackingFiltersInit
f
RF_Band 3 filters calibration
Call TDA18271RFTrackingFiltersInit
f
RF_Band 4 filters calibration
Call TDA18271RFTrackingFiltersInit
f
RF_Band 5 filters calibration
Call TDA18271RFTrackingFiltersInit
f
RF_Band 6 filters calibration
Call TDA18271RFTrackingFiltersInit
Read die current temperature
Call TDA18271ThermometerRead
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
TDA18271CalcRFFilterCurve
TDA18271CalcRFFilterCurve
= 47900 kHz
= 61100 kHz
= 152600 kHz
= 164700 kHz
= 203500 kHz
= 457800 kHz
= 865000 kHz
RF(max)
Rev. 03 — 11 September 2008
.
Start
End
TMVALUE_RFCAL
f
RF1_0, RF_A1_0,
RF_B1_0
f
RF1_1, RF_A1_1,
RF_B1_1
f
RF1_2, RF_B1_2,
RF2_2, RF_A1_2
f
RF1_3, RF_A1_3,
RF_B1_3
f
RF1_4, RF_A1_4,
RF_B1_4
f
RF1_5, RF_B1_5, RF2_5, RF_A1_5,
RF3_5, RF_A2_5, RF_B2_5
f
RF1_6, RF_B1_6, RF2_6, RF_A1_6,
RF3_6, RF_A2_6, RF_B2_6
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
RF(max)
TDA18271HD
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Silicon Tuner IC
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